Power Supply; General Information - Viessmann WAGO MB/TCP gateway Installation And Service Instructions For Contractors

Installation sequence
Connecting the gateway to the power supply unit
‒ ‒
L N PE
+ +
Fig. 18
Cable cores between gateway and power supply
A
unit (standard delivery)

Power supply

General information

Danger
Incorrect wiring can lead to serious injury from
electrical current and result in appliance dam-
age.
■ Route extra low voltage (ELV) leads < 42 V
separately from cables > 42 V/230 V~.
Strip as little of the insulation as possible,
■
directly before the terminals. Bundle cables
close to the corresponding terminals.
■ Secure cables with cable ties.
24
A
(cont.)
SYS RST
RUN
l/0
24V 0V
MS
NS
USR
+ +
‒ ‒
Danger
Incorrect core assignment can result in serious
injury and damage to the appliance.
Take care not to interchange cores "L1" and "N":
L1 Brown (BN)
N Blue (BU)
PE Green/yellow (GNYE)
!
Please note
Not earthing or incorrectly earthing the top-hat
rail can lead to damage to the components and
to interference during data transmission.
Earth the top-hat rail as shown in the following
diagram.
The gateway is connected to the public low voltage
network via the power supply unit (standard delivery).
Mains type TN-S/TT: Separate neutral and protective
conductors in the entire system.
The mains voltage should be single-phase, 100 to
240 V, 50/60 Hz and must be within the voltage range
limits defined in the VDE regulations.